PT81228B - Processo para a preparacao de pelicula de celulose - Google Patents
Processo para a preparacao de pelicula de celuloseInfo
- Publication number
- PT81228B PT81228B PT81228A PT8122885A PT81228B PT 81228 B PT81228 B PT 81228B PT 81228 A PT81228 A PT 81228A PT 8122885 A PT8122885 A PT 8122885A PT 81228 B PT81228 B PT 81228B
- Authority
- PT
- Portugal
- Prior art keywords
- cellulose film
- preparing cellulose
- preparing
- film
- cellulose
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/60—Materials for use in artificial skin
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/02—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with cellulose derivatives
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
- A63B51/02—Strings; String substitutes; Products applied on strings, e.g. for protection against humidity or wear
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dermatology (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Zoology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Biotechnology (AREA)
- Materials For Medical Uses (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR8404937A BR8404937A (pt) | 1984-10-01 | 1984-10-01 | Processo para preparacao de pelicula de celulose,pelicula de celulose obtida pelo mesmo,implante de pele artificial,processo de tratamento de lesoes empregando a referida pelicula de celulose e utilizacao |
Publications (2)
Publication Number | Publication Date |
---|---|
PT81228A PT81228A (en) | 1985-10-01 |
PT81228B true PT81228B (pt) | 1987-09-30 |
Family
ID=4036503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT81228A PT81228B (pt) | 1984-10-01 | 1985-09-30 | Processo para a preparacao de pelicula de celulose |
Country Status (11)
Country | Link |
---|---|
US (1) | US4912049A (pt) |
EP (1) | EP0197969B1 (pt) |
JP (1) | JPH0636815B2 (pt) |
CN (1) | CN1015908B (pt) |
BR (1) | BR8404937A (pt) |
CA (1) | CA1287006C (pt) |
DE (1) | DE3577727D1 (pt) |
ES (1) | ES8609459A1 (pt) |
MX (1) | MX162625A (pt) |
PT (1) | PT81228B (pt) |
WO (1) | WO1986002095A1 (pt) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200409B1 (en) * | 1985-04-16 | 1994-06-29 | Agency Of Industrial Science And Technology | Moulded material comprising bacteria-produced cellulose |
US4863565A (en) * | 1985-10-18 | 1989-09-05 | Weyerhaeuser Company | Sheeted products formed from reticulated microbial cellulose |
US5079162A (en) * | 1986-08-28 | 1992-01-07 | Weyerhaeuser Company | Reticulated cellulose and methods and microorganisms for the production thereof |
US5871978A (en) * | 1985-10-18 | 1999-02-16 | Monsanto Life Sciences Co | Method of producing reticulated cellulose having type II crystalline cellulose |
US5144021A (en) | 1985-10-18 | 1992-09-01 | Weyerhaeuser Company | Reticulated cellulose and methods and microorganisms for the production thereof |
US5821109A (en) * | 1985-10-18 | 1998-10-13 | Monsanto Life Sciences Co. | Reticulated cellulose and methods and microorganisms for the production thereof |
EP0243151B1 (en) * | 1986-04-22 | 1992-12-16 | Ajinomoto Co., Inc. | Modified microbially-produced cellulose gel and complex thereof with animal cell |
BR8800781A (pt) * | 1988-02-24 | 1989-09-19 | Bio Fill Produtos Biotecnologi | Processo para a preparacao de suspensoes ou pastas aquosas de microfibrilas de celulose,suspensao ou pasta aquosa de microfibrilas de celulose e utilizacao |
JP2853165B2 (ja) * | 1989-05-29 | 1999-02-03 | 味の素株式会社 | 体組織癒着防止膜 |
EP0416470A3 (en) * | 1989-09-04 | 1991-08-07 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Process for making cellulose membranes from bacteria produced cellulose |
JP2762632B2 (ja) * | 1989-11-27 | 1998-06-04 | 味の素株式会社 | 生体組織代替材 |
US5196190A (en) * | 1990-10-03 | 1993-03-23 | Zenith Technology Corporation, Limited | Synthetic skin substitutes |
US5846213A (en) * | 1997-06-16 | 1998-12-08 | The University Of Western Ontario | Cellulose membrane and method for manufacture thereof |
KR100405776B1 (ko) * | 2000-05-08 | 2003-11-15 | 주식회사 엔바이오테크놀러지 | 미생물 셀룰로오스를 주성분으로 포함하는 웨트 시이트제조방법 및 그 용도 개발 |
DE10135675A1 (de) * | 2001-07-21 | 2003-03-06 | Skw Biogarde Gmbh & Co Kg | Mikrobiell erzeugter, physiologisch-verträglicher, permeabler Film, bestehend aus Hyaluronsäure-enthaltender Cellulose |
US6986963B2 (en) * | 2001-12-14 | 2006-01-17 | Ut-Battelle Llc | Metallization of bacterial cellulose for electrical and electronic device manufacture |
US20030203013A1 (en) * | 2002-04-26 | 2003-10-30 | Xylos Corporation | Microbial cellulose wound dressing for treating chronic wounds |
US7704523B2 (en) * | 2002-04-26 | 2010-04-27 | Lohmann & Rauscher Gmbh | Microbial cellulose wound dressing for treating chronic wounds |
US20050019380A1 (en) * | 2002-04-26 | 2005-01-27 | Xylos Corporation | Microbial cellulose wound dressing for treating chronic wounds |
US7390499B2 (en) * | 2002-04-26 | 2008-06-24 | Lohmann & Rauscher Gmbh | Microbial cellulose wound dressing for treating chronic wounds |
BR0205047C1 (pt) * | 2002-11-21 | 2003-11-04 | Ronaldo Da Rocha Loures Bueno | Endoprótese revestida com membrana de celulose biossintética |
BR0205499A (pt) * | 2002-12-05 | 2004-08-03 | Nelson Luiz Ferreira Levy | Processo para obtenção de manta e de membrana celulósica, processo para obtenção de manta celulósica que incorpora outros materiais, meio de cultura utilizado, bandejas fechadas de fermentação, equipamento de secagem utilizado, membrana celulósica obtida por tal processo e usos de ditas mantas e membranas |
US20060134758A1 (en) * | 2002-12-05 | 2006-06-22 | Levy Nelson L F | Process for obtaining a ccellulosic wet sheet and a membrane, the equipment used to obtain the membrane and the membrane obtained |
US8951551B2 (en) * | 2005-08-31 | 2015-02-10 | Board Of Regents, The University Of Texas System | Multiribbon nanocellulose as a matrix for wound healing |
US20070128243A1 (en) | 2005-12-02 | 2007-06-07 | Xylos Corporation | Implantable microbial cellulose materials for various medical applications |
US7709631B2 (en) | 2006-03-13 | 2010-05-04 | Xylos Corporation | Oxidized microbial cellulose and use thereof |
BRPI0601330A (pt) * | 2006-03-31 | 2007-12-04 | Wellborn Participacoes Societa | composição tópica de biocelulose em forma de gel, spray-aerosol, creme e ou suspensão aquosa para tratamento de lesões epiteliais |
WO2007140573A1 (en) * | 2006-04-24 | 2007-12-13 | Axcelon Biopolymers Corporation | Nanosilver coated bacterial cellulose |
US20070286884A1 (en) * | 2006-06-13 | 2007-12-13 | Xylos Corporation | Implantable microbial cellulose materials for hard tissue repair and regeneration |
US20080044456A1 (en) * | 2006-08-17 | 2008-02-21 | Wellborn Participacoes Societarias S/C Ltda | Cellulose membrane drying process |
ITTO20060932A1 (it) * | 2006-12-29 | 2008-06-30 | Medestea Res & Production S P A | Procedimento per la produzione di una pellicola a base di cellulosa, da utilizzare per la copertura, riparazione, rigenerazione e cicatrizzazione di lesioni cutanee e tissutali e pellicola cosi' ottenuta. |
US7968646B2 (en) | 2007-08-22 | 2011-06-28 | Washington State University | Method of in situ bioproduction and composition of bacterial cellulose nanocomposites |
EP2070557A1 (en) | 2007-12-12 | 2009-06-17 | Xylos Corporation | Implantable microbial cellulose materials for hard tissue repair and regeneration |
US20090209897A1 (en) * | 2008-02-20 | 2009-08-20 | Lotec, Inc. Dba Vesta Sciences, Inc. | Photoactivated Antimicrobial Wound Dressing and Method Relating Thereto |
US7832857B2 (en) * | 2008-08-18 | 2010-11-16 | Levinson Dennis J | Microbial cellulose contact lens |
AU2009312479A1 (en) | 2008-11-07 | 2010-05-14 | Sofradim Production | Medical device including a bacterial cellulose sheet, perforated or microperforated as a mesh |
EP2365832A2 (en) | 2008-11-07 | 2011-09-21 | Sofradim Production | Template for bacterial cellulose implant processed within bioreactor |
US20110262521A1 (en) | 2008-11-07 | 2011-10-27 | Sofradim Production | Medical device including bacterial cellulose reinforced by resorbable or non resorbable reinforcing materials |
CA2741519C (en) | 2008-11-07 | 2017-03-21 | Sofradim Production | Composite mesh including a 3d mesh and a non porous film of oxidized cellulose from bacterial cellulose origin |
WO2010052582A1 (en) | 2008-11-07 | 2010-05-14 | Sofradim Production | Medical devices with definable porosity produced by bacterial polymer bio-synthesis |
US20100172889A1 (en) * | 2008-12-05 | 2010-07-08 | Catchmark Jeffrey M | Degradable biomolecule compositions |
US20100158985A1 (en) | 2008-12-19 | 2010-06-24 | Xylos Corporation | Porous structures of microbial-derived cellulose for in vivo implantation |
US20100159046A1 (en) * | 2008-12-19 | 2010-06-24 | Xylos Corporation | Minimal tissue attachment implantable materials |
WO2010135234A2 (en) * | 2009-05-18 | 2010-11-25 | Cornell University | Bacterial cellulose based 'green' composites |
US20110086236A1 (en) * | 2009-10-13 | 2011-04-14 | The Penn State Research Foundation | Composites containing polypeptides attached to polysaccharides and molecules |
US8772003B2 (en) | 2010-05-24 | 2014-07-08 | Nympheas International Biomaterial Corp. | Bacterial cellulose film and uses thereof |
DE102010050311A1 (de) | 2010-11-03 | 2012-05-03 | Bsn Medical Gmbh | Wundauflage mit einer Biocelluloseschicht, die Bakterien adsorbierend ausgerüstet ist |
EP3024887B1 (en) | 2013-07-26 | 2023-11-22 | The Penn State Research Foundation | Method for preparation of polymer compositions and coatings |
EP3148598B1 (en) | 2014-05-30 | 2018-11-07 | Sofradim Production | Implant comprising oxidized cellulose and method for preparing such an implant |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US88307A (en) * | 1869-03-30 | Gebhard koeb and louts houcke | ||
JPS5437889A (en) * | 1977-08-30 | 1979-03-20 | Ajinomoto Co Inc | Preparation of polysaccharide |
US4378431A (en) * | 1980-09-02 | 1983-03-29 | The University Of N.C. At Chapel Hill | Production of a cellulose-synthetic polymer composite fiber |
US4588400A (en) * | 1982-12-16 | 1986-05-13 | Johnson & Johnson Products, Inc. | Liquid loaded pad for medical applications |
-
1984
- 1984-10-01 BR BR8404937A patent/BR8404937A/pt not_active IP Right Cessation
-
1985
- 1985-09-30 WO PCT/BR1985/000008 patent/WO1986002095A1/en active IP Right Grant
- 1985-09-30 CN CN85108100A patent/CN1015908B/zh not_active Expired
- 1985-09-30 EP EP85904787A patent/EP0197969B1/en not_active Expired - Lifetime
- 1985-09-30 US US06/878,880 patent/US4912049A/en not_active Expired - Lifetime
- 1985-09-30 JP JP50438585A patent/JPH0636815B2/ja not_active Expired - Fee Related
- 1985-09-30 DE DE8585904787T patent/DE3577727D1/de not_active Expired - Lifetime
- 1985-09-30 PT PT81228A patent/PT81228B/pt unknown
- 1985-10-01 CA CA000491933A patent/CA1287006C/en not_active Expired - Lifetime
- 1985-10-01 ES ES547478A patent/ES8609459A1/es not_active Expired
- 1985-10-07 MX MX172A patent/MX162625A/es unknown
Also Published As
Publication number | Publication date |
---|---|
PT81228A (en) | 1985-10-01 |
EP0197969B1 (en) | 1990-05-16 |
DE3577727D1 (de) | 1990-06-21 |
WO1986002095A1 (en) | 1986-04-10 |
US4912049A (en) | 1990-03-27 |
ES8609459A1 (es) | 1986-09-01 |
ES547478A0 (es) | 1986-09-01 |
JPS62500630A (ja) | 1987-03-19 |
CN85108100A (zh) | 1986-08-27 |
MX162625A (es) | 1991-06-07 |
CN1015908B (zh) | 1992-03-18 |
EP0197969A1 (en) | 1986-10-22 |
CA1287006C (en) | 1991-07-30 |
BR8404937A (pt) | 1986-05-06 |
JPH0636815B2 (ja) | 1994-05-18 |
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